This paper examines the role of collateral in the financial system, with special emphasis on the implications for financial stability and the conduct of monetary policy. First, we review what drives the demand and supply for both real and financial collateral assets. Then we examine financial...

The VIX, the stock market option-based implied volatility, strongly co-moves with measures of the monetary policy stance. When decomposing the VIX into two components, a proxy for risk aversion and expected stock market volatility ("uncertainty"), we find that a lax monetary policy decreases...

I analyze the role that asset markets play in the performance and stability of the run-prone banking sector. Banks insure consumers against privately observed liquidity shocks. Asset market investments insure consumers against losses from bank runs. If the probability of a run is small, then...